/*
 * Set the debug level of a Fam::Connection object.
 *
 * Note: This method is implemented in the bindings, but not in FAM
 * itself.
 *
 * Aliases:
 *   Fam::Connection#debug
 *
 * Examples:
 *   fam.debug = Fam::Debug::VERBOSE
 *
 */
static VALUE fam_conn_set_debug(VALUE self, VALUE level) {